add ErrorInfo to BaseError

src/libutil/error.hh

@@ -1,122 +0,0 @@
-#ifndef error_hh
-#define error_hh
-
-#include "ansicolor.hh"
-#include <string>
-#include <optional>
-#include <iostream>
-#include "types.hh"
-
-namespace nix
-{
-
-typedef enum {
-    lvlError = 0,
-    lvlWarn,
-    lvlInfo,
-    lvlTalkative,
-    lvlChatty,
-    lvlDebug,
-    lvlVomit
-} Verbosity;
-
-struct ErrPos
-{
-    int line;
-    int column;
-    string file;
-
-    template <class P>
-    ErrPos& operator=(const P &pos)
-    {
-        line = pos.line;
-        column = pos.column;
-        file = pos.file;
-        return *this;
-    }
-
-    template <class P>
-    ErrPos(const P &p)
-    {
-      *this = p;
-    }
-};
-
-struct NixCode
-{
-    ErrPos errPos;
-    std::optional<string> prevLineOfCode;
-    string errLineOfCode;
-    std::optional<string> nextLineOfCode;
-};
-
-// ----------------------------------------------------------------
-// format function for hints.  same as fmt, except templated values
-// are always in yellow.
-
-template <class T>
-struct yellowify
-{
-    yellowify(T &s) : value(s) {}
-    T &value;
-};
-
-template <class T>
-std::ostream& operator<<(std::ostream &out, const yellowify<T> &y)
-{
-    return out << ANSI_YELLOW << y.value << ANSI_NORMAL;
-}
-
-class hintformat
-{
-public:
-    hintformat(string format) :fmt(format)
-    {
-        fmt.exceptions(boost::io::all_error_bits ^ boost::io::too_many_args_bit);
-    }
-    template<class T>
-    hintformat& operator%(const T &value)
-    {
-        fmt % yellowify(value);
-        return *this;
-    }
-
-    std::string str() const
-    {
-        return fmt.str();
-    }
-
-    template <typename U>
-    friend class AddHint;
-private:
-    format fmt;
-};
-
-std::ostream& operator<<(std::ostream &os, const hintformat &hf);
-
-template<typename... Args>
-inline hintformat hintfmt(const std::string & fs, const Args & ... args)
-{
-    hintformat f(fs);
-    formatHelper(f, args...);
-    return f;
-}
-
-// -------------------------------------------------
-// ErrorInfo.
-struct ErrorInfo
-{
-    Verbosity level;
-    string name;
-    string description;
-    std::optional<hintformat> hint;
-    std::optional<NixCode> nixCode;
-
-    static std::optional<string> programName;
-};
-
-std::ostream& operator<<(std::ostream &out, const ErrorInfo &einfo);
-
-}
-
-#endif